Answer: the decision by the United States government to prevent additional settlement
Explanation:
What was meant by the "closing" of the Western frontier was that the United States government wanted to prevent additional settlement.
This decision was as a result of the government's plan to promote the westward expansion after the Civil War, but however, they had to close the Western frontier to prevent additional settlers.
the year that united states government stop recognizing the treaties created since the american revolution is 1871
The correct answers are He wanted to bring glory and power to Italy, He hoped to increase Italy's power, and He sought to advance Italian civilization
He believed that Italy cannot prosper while it is divided since the always fight among each other while others who are unified keep prospering. He believed that if Italy was going to be a world power to be reckoned with that they all need to work together in order to make Italy a great European power and a great empire.
Answer:
the answer is A because it was in the earliest period of time though out all of them
D beacuse they work hard and get rewarded for it!
Hope this helped! :)